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Diffstat (limited to 'tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java')
-rw-r--r--tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java537
1 files changed, 0 insertions, 537 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java b/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java
deleted file mode 100644
index 148749922e..0000000000
--- a/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java
+++ /dev/null
@@ -1,537 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.tuscany.sca.core.invocation.impl;
-
-import java.io.Serializable;
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.sca.assembly.Endpoint;
-import org.apache.tuscany.sca.assembly.EndpointReference;
-import org.apache.tuscany.sca.context.ThreadMessageContext;
-import org.apache.tuscany.sca.core.context.ServiceReferenceExt;
-import org.apache.tuscany.sca.core.factory.InstanceWrapper;
-import org.apache.tuscany.sca.core.scope.TargetResolutionException;
-import org.apache.tuscany.sca.interfacedef.DataType;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
-import org.apache.tuscany.sca.invocation.InvocationChain;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.invocation.Message;
-import org.apache.tuscany.sca.invocation.MessageFactory;
-import org.apache.tuscany.sca.runtime.RuntimeWire;
-import org.oasisopen.sca.SCARuntimeException;
-import org.oasisopen.sca.ServiceReference;
-import org.oasisopen.sca.ServiceRuntimeException;
-
-/**
- * @version $Rev$ $Date$
- */
-public class JDKInvocationHandler implements InvocationHandler, Serializable {
- private static final long serialVersionUID = -3366410500152201371L;
-
- protected boolean conversational;
- protected MessageFactory messageFactory;
- protected EndpointReference source;
- protected Endpoint target;
- protected RuntimeWire wire;
- protected ServiceReferenceExt<?> callableReference;
- protected Class<?> businessInterface;
-
- protected boolean fixedWire = true;
-
- protected transient Map<Method, InvocationChain> chains = new HashMap<Method, InvocationChain>();
-
- public JDKInvocationHandler(MessageFactory messageFactory, Class<?> businessInterface, RuntimeWire wire) {
- this.messageFactory = messageFactory;
- this.wire = wire;
- this.businessInterface = businessInterface;
- init(this.wire);
- }
-
- public JDKInvocationHandler(MessageFactory messageFactory, ServiceReference<?> callableReference) {
- this.messageFactory = messageFactory;
- this.callableReference = (ServiceReferenceExt<?>)callableReference;
- if (callableReference != null) {
- this.businessInterface = callableReference.getBusinessInterface();
- this.wire = ((ServiceReferenceExt<?>)callableReference).getRuntimeWire();
- if (wire != null) {
- init(wire);
- }
- }
- }
-
- protected void init(RuntimeWire wire) {
- // TODO - EPR not required for OASIS
- /*
- if (wire != null) {
- try {
- // Clone the endpoint reference so that reference parameters can be changed
- source = (EndpointReference)wire.getSource().clone();
- } catch (CloneNotSupportedException e) {
- throw new ServiceRuntimeException(e);
- }
- initConversational(wire);
- }
- */
- }
-
- /* TODO - EPR - not required for OASIS
- protected void initConversational(RuntimeWire wire) {
- InterfaceContract contract = wire.getSource().getInterfaceContract();
- this.conversational = contract.getInterface().isConversational();
- }
- */
-
- public Class<?> getBusinessInterface() {
- return businessInterface;
- }
-
-
- protected Object getCallbackID() {
-// if (callableReference != null) {
-// return callableReference.getCallbackID();
-// } else {
- return null;
-// }
- }
-
- /* TODO - EPR - Not reqiured for OASIS
- protected Object getCallbackObject() {
- if (callableReference != null && callableReference instanceof ServiceReference) {
- return ((ServiceReference)callableReference).getService();
- } else {
- return null;
- }
- }
- */
-
- public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
- if (Object.class == method.getDeclaringClass()) {
- return invokeObjectMethod(method, args);
- }
- if (wire == null) {
- throw new ServiceRuntimeException("No runtime wire is available");
- }
-
- if (wire.isOutOfDate()) {
- wire.rebuild();
- chains.clear();
- }
-
- InvocationChain chain = getInvocationChain(method, wire);
-
- if (chain == null) {
- throw new IllegalArgumentException("No matching operation is found: " + method);
- }
-
- // The EndpointReference is not now resolved until the invocation chain
- // is first created so reset the source here
- source = wire.getEndpointReference();
-
- // send the invocation down the wire
- Object result = invoke(chain, args, wire, source);
-
- return result;
- }
-
- /**
- * Handle the methods on the Object.class
- * @param method
- * @param args
- */
- protected Object invokeObjectMethod(Method method, Object[] args) throws Throwable {
- String name = method.getName();
- if ("toString".equals(name)) {
- return "[Proxy - " + toString() + "]";
- } else if ("equals".equals(name)) {
- Object obj = args[0];
- if (obj == null) {
- return false;
- }
- if (!Proxy.isProxyClass(obj.getClass())) {
- return false;
- }
- return equals(Proxy.getInvocationHandler(obj));
- } else if ("hashCode".equals(name)) {
- return hashCode();
- } else {
- return method.invoke(this);
- }
- }
-
- /**
- * Determines if the given operation matches the given method
- *
- * @return true if the operation matches, false if does not
- */
- // FIXME: Should it be in the InterfaceContractMapper?
- @SuppressWarnings("unchecked")
- private static boolean match(Operation operation, Method method) {
- if (operation instanceof JavaOperation) {
- JavaOperation javaOp = (JavaOperation)operation;
- Method m = javaOp.getJavaMethod();
- if (!method.getName().equals(m.getName())) {
- return false;
- }
- if (method.equals(m)) {
- return true;
- }
- } else {
- if (!method.getName().equals(operation.getName())) {
- return false;
- }
- }
-
- // For remotable interface, operation is not overloaded.
- if (operation.getInterface().isRemotable()) {
- return true;
- }
-
- Class<?>[] params = method.getParameterTypes();
-
- DataType<List<DataType>> inputType = null;
- if (operation.isWrapperStyle()) {
- inputType = operation.getWrapper().getUnwrappedInputType();
- } else {
- inputType = operation.getInputType();
- }
- List<DataType> types = inputType.getLogical();
- boolean matched = true;
- if (types.size() == params.length && method.getName().equals(operation.getName())) {
- for (int i = 0; i < params.length; i++) {
- Class<?> clazz = params[i];
- Class<?> type = types.get(i).getPhysical();
- // Object.class.isAssignableFrom(int.class) returns false
- if (type != Object.class && (!type.isAssignableFrom(clazz))) {
- matched = false;
- }
- }
- } else {
- matched = false;
- }
- return matched;
-
- }
-
- protected synchronized InvocationChain getInvocationChain(Method method, RuntimeWire wire) {
- if (fixedWire && chains.containsKey(method)) {
- return chains.get(method);
- }
- InvocationChain found = null;
- for (InvocationChain chain : wire.getInvocationChains()) {
- Operation operation = chain.getSourceOperation();
- if (operation.isDynamic()) {
- operation.setName(method.getName());
- found = chain;
- break;
- } else if (match(operation, method)) {
- found = chain;
- break;
- }
- }
- if (fixedWire) {
- chains.put(method, found);
- }
- return found;
- }
-
- protected void setEndpoint(Endpoint endpoint) {
- this.target = endpoint;
- }
-
- protected Object invoke(InvocationChain chain, Object[] args, RuntimeWire wire, EndpointReference source)
- throws Throwable {
- Message msg = messageFactory.createMessage();
- msg.setFrom(source);
- if (target != null) {
- msg.setTo(target);
- } else {
- msg.setTo(wire.getEndpoint());
- }
- Invoker headInvoker = chain.getHeadInvoker();
- Operation operation = chain.getTargetOperation();
- msg.setOperation(operation);
- msg.setBody(args);
-
- Message msgContext = ThreadMessageContext.getMessageContext();
-
- // TODO - EPR - not required for OASIS
- //Object currentConversationID = msgContext.getFrom().getReferenceParameters().getConversationID();
- //conversationPreinvoke(msg, wire);
-
- handleCallback(msg, wire);
- ThreadMessageContext.setMessageContext(msg);
- boolean abnormalEndConversation = false;
- try {
- // dispatch the wire down the chain and get the response
- Message resp = headInvoker.invoke(msg);
- Object body = resp.getBody();
- if (resp.isFault()) {
- /* TODO - EPR - not required in OASIS
- // mark the conversation as ended if the exception is not a business exception
- if (currentConversationID != null ){
- try {
- boolean businessException = false;
-
- for (DataType dataType : operation.getFaultTypes()){
- if (dataType.getPhysical() == ((Throwable)body).getClass()){
- businessException = true;
- break;
- }
- }
-
- if (businessException == false){
- abnormalEndConversation = true;
- }
- } catch (Exception ex){
- // TODO - sure what the best course of action is here. We have
- // a system exception in the middle of a business exception
- }
- }
- */
- throw (Throwable)body;
- }
- return body;
- } finally {
- //conversationPostInvoke(msg, wire, abnormalEndConversation);
- ThreadMessageContext.setMessageContext(msgContext);
- }
- }
-
- /**
- * @param msg
- * @param wire
- * @param interfaze
- * @throws TargetResolutionException
- */
- private void handleCallback(Message msg, RuntimeWire wire)
- throws TargetResolutionException {
-
- //ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
- //parameters.setCallbackID(getCallbackID());
-
- if (msg.getFrom() == null || msg.getFrom().getCallbackEndpoint() == null) {
- return;
- }
-
- /* TODO - EPR - not required for OASIS
- parameters.setCallbackReference(msg.getFrom().getCallbackEndpoint());
-
- // If we are passing out a callback target
- // register the calling component instance against this
- // new conversation id so that stateful callbacks will be
- // able to find it
- Object callbackObject = getCallbackObject();
- if (conversational && callbackObject == null) {
- // the component instance is already registered
- // so add another registration
- ScopeContainer<Object> scopeContainer = getConversationalScopeContainer(wire);
-
- if (scopeContainer != null && currentConversationID != null) {
- scopeContainer.addWrapperReference(currentConversationID, conversation.getConversationID());
- }
- }
-
- Interface interfaze = msg.getFrom().getCallbackEndpoint().getInterfaceContract().getInterface();
- if (callbackObject != null) {
- if (callbackObject instanceof ServiceReference) {
- CallableReferenceExt<?> callableReference = (CallableReferenceExt<?>)callbackObject;
- EndpointReference callbackRef = callableReference.getEndpointReference();
-
- // TODO - EPR - create chains on the callback reference in case this hasn't already happened
- // needed as the bindings are not now matched until the chanins are created
- callableReference.getRuntimeWire().getInvocationChains();
-
- parameters.setCallbackReference(callbackRef);
- } else {
- if (interfaze != null) {
- if (!interfaze.isConversational()) {
- throw new IllegalArgumentException(
- "Callback object for stateless callback is not a ServiceReference");
- } else {
- if (!(callbackObject instanceof Serializable)) {
- throw new IllegalArgumentException(
- "Callback object for stateful callback is not Serializable");
- }
- ScopeContainer scopeContainer = getConversationalScopeContainer(wire);
- if (scopeContainer != null) {
- InstanceWrapper wrapper = new CallbackObjectWrapper(callbackObject);
- scopeContainer.registerWrapper(wrapper, conversation.getConversationID());
- }
- parameters.setCallbackObjectID(callbackObject);
- }
- }
- }
- }
- */
- }
-
- /**
- * Pre-invoke for the conversation handling
- * @param msg
- * @throws TargetResolutionException
- */
- /* TODO - EPR - not required for OASIS
- private void conversationPreinvoke(Message msg, RuntimeWire wire) {
- if (!conversational) {
- // Not conversational or the conversation has been started
- return;
- }
-
- ConversationManager conversationManager = ((RuntimeWireImpl2)wire).getConversationManager();
-
- if (conversation == null || conversation.getState() == ConversationState.ENDED) {
-
- conversation = conversationManager.startConversation(getConversationID());
-
- // if this is a local wire then set up the conversation timeouts here based on the
- // parameters from the component
- if (wire.getEndpoint().getComponent() != null){
- conversation.initializeConversationAttributes((RuntimeComponent)wire.getEndpoint().getComponent());
- }
-
- // connect the conversation to the CallableReference so it can be retrieve in the future
- if (callableReference != null) {
- ((CallableReferenceImpl)callableReference).attachConversation(conversation);
- }
- } else if (conversation.isExpired()) {
- throw new ConversationEndedException("Conversation " + conversation.getConversationID() + " has expired.");
- }
-
- // if this is a local wire then schedule conversation timeouts based on the timeout
- // parameters from the service implementation. If this isn't a local wire then
- // the RuntimeWireInvoker will take care of this
- if (wire.getEndpoint().getComponent() != null){
- conversation.updateLastReferencedTime();
- }
-
- msg.getFrom().getReferenceParameters().setConversationID(conversation.getConversationID());
-
- }
- */
-
- /**
- * Post-invoke for the conversation handling
- * @param wire
- * @param operation
- * @throws TargetDestructionException
- */
- /* TODO - not required for OASIS
- @SuppressWarnings("unchecked")
- private void conversationPostInvoke(Message msg, RuntimeWire wire, boolean abnormalEndConversation)
- throws TargetDestructionException {
- Operation operation = msg.getOperation();
- ConversationSequence sequence = operation.getConversationSequence();
- // We check that conversation has not already ended as there is only one
- // conversation manager in the runtime and so, in the case of remote bindings,
- // the conversation will already have been stopped when we get back to the client
- if ((sequence == ConversationSequence.CONVERSATION_END || abnormalEndConversation) &&
- (conversation.getState() != ConversationState.ENDED)) {
-
- // remove conversation id from scope container
- ScopeContainer scopeContainer = getConversationalScopeContainer(wire);
-
- if (scopeContainer != null) {
- scopeContainer.remove(conversation.getConversationID());
- }
-
- conversation.end();
- }
- }
-
-
- private ScopeContainer<Object> getConversationalScopeContainer(RuntimeWire wire) {
- ScopeContainer<Object> scopeContainer = null;
-
- RuntimeComponent runtimeComponent = (RuntimeComponent)wire.getEndpointReference().getComponent();
-
- if (runtimeComponent instanceof ScopedRuntimeComponent) {
- ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)runtimeComponent;
- ScopeContainer<Object> tmpScopeContainer = scopedRuntimeComponent.getScopeContainer();
-
- if ((tmpScopeContainer != null) && (tmpScopeContainer.getScope() == Scope.CONVERSATION)) {
- scopeContainer = tmpScopeContainer;
- }
- }
-
- return scopeContainer;
- }
- */
-
- /**
- * Creates a new conversation id
- *
- * @return the conversation id
- */
- /* TODO - EPR - not required for OASIS
- private Object createConversationID() {
- if (getConversationID() != null) {
- return getConversationID();
- } else {
- return UUID.randomUUID().toString();
- }
- }
- */
-
- /**
- * @return the callableReference
- */
- public ServiceReference<?> getCallableReference() {
- return callableReference;
- }
-
- /**
- * @param callableReference the callableReference to set
- */
- public void setCallableReference(ServiceReference<?> callableReference) {
- this.callableReference = (ServiceReferenceExt<?>)callableReference;
- }
-
- /**
- * Minimal wrapper for a callback object contained in a ServiceReference
- */
- private static class CallbackObjectWrapper<T> implements InstanceWrapper<T> {
-
- private T instance;
-
- private CallbackObjectWrapper(T instance) {
- this.instance = instance;
- }
-
- public T getInstance() {
- return instance;
- }
-
- public void start() {
- // do nothing
- }
-
- public void stop() {
- // do nothing
- }
-
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 13:49:40 +0000